Answer:
1st answer
Step-by-step explanation:

49.9 x 9+6=456////
Hope this helps.
Answer:
The interquartile range is 10.
Step-by-step explanation:
(xu-xl)=10
Well think about it this way -9 times what equals 252 you already know x is going to be a negative number because the outcome is positive so try doing the problem backwards 252/-9=-28 so x=-28